Audacity Forum

What version should I be compiling That's your choice. I'd suggest that either you go for the latest release version (Audacity 2.2.2), or the current development code. Older versions are also available but I would not recommend them unless you have a specific reason for wanting an old version. Adva...

planetlizz wrote:Aud 2.1.3

That's a very old version. The current version is Audacity 2.2.2 and it is available via the Audacity website: https://www.audacityteam.org/download/windows/

Also interestingly, if I plug in a USB recording device (Alesis io2), the info reported by Audacity is also the same (there is no io2) Audacity only looks for devices on start-up, and when you explicitly tell it to (Transport menu > Rescan Audio Devices). If you plug in a USB device while Audacity ...

GreyCoder wrote:Not sure what this means but it seems like a good clue

Documentation for FFmpeg is here: https://ffmpeg.org/ffmpeg.html

There's also masses of stuff about digital audio available elsewhere on the Internet.
I think these videos at Xiph.org are particularly good: https://xiph.org/video/

I guess I just need some explanation of where we are with versions, For Audacity 2.2.2, you need the instructions that are included in the source code, which you will find in "/win/compile.txt". The on-line version at GitHub (https://github.com/audacity/audacity/blob/master/win/compile.tx...

JohnInMableton wrote:Thanks for the information! I still think that the conversion/size issue deserves lager mention. Especially for newbies, like myself.

There's also this page: https://manual.audacityteam.org/man/digital_audio.html

What are you recording from?
What are your settings in the device toolbar?
Ensure that "Software Playthrough" (in the Transport menu) is off (not selected)

I've made some suggestions for you to try. That's the best I can do as this is not an Audacity issue.

There's a command line application called "untrunc" that may be able to recover some data from the file, but as far as I'm aware it is only available for Linux. https://github.com/ponchio/untrunc Audacity does not have any tools for recovering data from damaged MP4 files (Yes, it is MP4, w...